<?php

/*
 * Copyright 2008 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#namespace tehframework\iocc\valueholders;

#use tehframework\iocc\Container;
#use tehframework\iocc\ValueHolder;

class ParameterValueHolder implements ValueHolder
{
	/**
	 * @var string
	 */
	private $parameter;
	
	/**
	 * @var mixed
	 */
	private $default;
	
	/**
	 * @param  CallableValueHolder $callable
	 * @param  array? $arguments
	 */
	public function __construct($parameter, $default = null)
	{
		$this->parameter  = $parameter;
		$this->default    = $default;
	}
	
	/**
	 * @param  Container $container
	 * @return mixed
	 */
	public function getValue(Container $container)
	{
		return $container->getParameter($this->parameter, $this->default);
	}
}